C phrygian b4 scale
The C phrygian b4 scale consists of the C (Perfect unison), C# (Minor second), D# (Minor third), E (Major third), G (Perfect fifth), G# (Minor sixth) and A# (Minor seventh) notes.

Notes in order
- C — Perfect unison
- C# — Minor second
- D# — Minor third
- E — Major third
- G — Perfect fifth
- G# — Minor sixth
- A# — Minor seventh